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https://www.readbyqxmd.com/read/29660779/clinical-findings-and-diagnostic-procedures-in-270-small-ruminants-with-obstructive-urolithiasis
#1
Anna-Katharina Riedi, Gabriela Knubben-Schweizer, Mireille Meylan
BACKGROUND: Details of the clinical signs of obstructive urolithiasis in male small ruminants have not been documented in a large population. OBJECTIVE: To describe the clinical presentation and diagnostic procedures in a large group of small ruminants with urolithiasis. ANIMALS: Two hundred and seventy small ruminants (158 sheep and 112 goats). METHODS: Retrospective study of 270 cases identified based on clinical records...
April 16, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29524246/an-experimental-model-for-calcium-carbonate-urolithiasis-in-goats
#2
Meredyth L Jones, Brandon J Dominguez, Michael A Deveau
BACKGROUND: Calcium carbonate is a common urolith type in small ruminants with no high-yield experimental model to evaluate animal susceptibility or preventative measure response. HYPOTHESIS: That novel plastic winged implants would allow accumulation and quantification of calcium carbonate calculus formation in goats on a high-calcium diet and identify individual variation between goats in the mass of calculi produced. ANIMALS: Eight nonpregnant 3- and 4-year-old Boer-cross does, weighing 22...
March 10, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29504856/treatment-of-pyonephrosis-with-a-subcutaneous-ureteral-bypass-device-in-four-cats
#3
Megan Cray, Allyson C Berent, Chick W Weisse, Demetrius Bagley
CASE DESCRIPTION 4 cats were examined because of ureteral obstruction. CLINICAL FINDINGS Clinical and clinicopathologic abnormalities were nonspecific and included anorexia, lethargy, weight loss, anemia, leukocytosis, neutrophilia, lymphopenia, and azotemia. A diagnosis of pyonephrosis was made in all cats. The presence of bacteriuria was confirmed by means of urinalysis in 2 cats, bacterial culture of a urine sample obtained by means of preoperative cystocentesis in 2 cats, and bacterial culture of samples obtained from the renal pelvis intraoperatively in 3 cats...
March 15, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29386681/struvite-urolithiasis-with-eosinophilic-polypoid-cystitis-in-a-shih-tzu-dog
#4
Meagan A Walker
A 7-year-old female spayed shih tzu dog was presented with hematuria of 4 weeks' duration. Radiographs revealed 1 cystic calculus. A polypoid mass was found incidentally during cystotomy and was removed by partial cystectomy. Histopathology revealed eosinophilic polypoid cystitis and urolith analysis reported struvite. A urinary tract infection was treated.
February 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29386676/use-of-percutaneous-cystolithotomy-for-removal-of-urethral-uroliths-in-a-pot-bellied-pig
#5
Thomas Coutant, Marilyn Dunn, Xavier Montasell, Isabelle Langlois
A 6-month-old neutered male pot-bellied pig was presented for an obstructive urethral stone which was successfully removed by percutaneous cystolithotomy (PCCL). The pig recovered well although suspected urethral spasms and pollakiuria persisted for 2 weeks after surgery. The owner reported a good urine stream 2 months after discharge. This novel minimally invasive approach provided excellent visualization and allowed complete evaluation of the lower urinary tract. Percutaneous cystolithotomy holds great promise for the future treatment of various lower urinary tract disorders in this species...
February 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29340849/risk-factors-associated-with-feline-urolithiasis
#6
REVIEW
Veridiane da Rosa Gomes, Paula Costa Ariza, Naida Cristina Borges, Francisco Jorge Schulz, Maria Clorinda Soares Fioravanti
Urinary tract diseases are among the main reasons for consultation in veterinary clinics and hospitals. It affects animals of any age, breed and gender. Among the diseases that affect this system, urolithiasis is the second largest cause of clinical signs compatible with feline urinary tract disease. The term urolithiasis refers to the presence of uroliths in any region of the urinary tract, but it is more commonly seen in the bladder and urethra. Uroliths are classified based on the type of mineral present in their composition, therefore, quantitative and qualitative analyzes are important for a better therapeutic approach...
January 16, 2018: Veterinary Research Communications
https://www.readbyqxmd.com/read/29227142/perineal-urethrostomy-to-treat-obstructive-urolithiasis-in-a-captive-hand-raised-steenbok-i-raphicerus-campestris-i
#7
Luke A Poore, Ross Hendry, Johan Steyl, Silke Pfitzer
The steenbok (Raphicerus campestris) is a small antelope of the family Bovidae native to the African continent. Urolithiasis, the formation of urinary calculi in the urinary tract, can be caused by a variety of factors such as diet, dehydration, infection and anatomical predisposition. Urolithiasis, with uroliths identified as magnesium calcium phosphate carbonate in composition, was diagnosed in a hand-reared 5-month-old steenbok. Perineal urethrostomy was performed as a component of the broad treatment regime that included fluid therapy, antibiotic and anti-inflammatory treatment...
December 8, 2017: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/29198396/no-stone-unturned-the-presence-of-kidney-stones-in-a-skeleton-from-19th-century-peoria-illinois
#8
Thomas C Jaskowiec, Anne L Grauer, Michael Lee, Sean Rajnic
During the excavation of the 19th century Peoria City Cemetery (Peoria, Illinois), a skeleton of a female, aged 20-30 years old, was found with large, bilateral calcified masses in the abdominal region. The masses were analyzed by Fourier transform infrared (FTIR) spectroscopy, and the results compared to published clinical data in an effort to determine the etiology of the stones. The calcified masses were determined to be staghorn struvite uroliths, which commonly result from chronic urinary tract infection and likely impacted the overall health of this individual...
December 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29154708/urethral-diverticulum-and-urolithiasis-in-a-female-guinea-pig-cavia-porcellus
#9
Lily A B Parkinson, Jennifer C Hausmann, Robert J Hardie, Megan A Mickelson, Kurt K Sladky
CASE DESCRIPTION A 5-year-old sexually intact female guinea pig was evaluated because of mild dysuria and a subcutaneous mass located cranioventral to the urogenital openings. CLINICAL FINDINGS Non-contrast-enhanced CT and surgical exploration of the distal aspect of the urethra revealed a urethral diverticulum with an intraluminal urolith. Analysis revealed that the urolith was composed of calcium carbonate and struvite. TREATMENT AND OUTCOME The urolith was surgically removed and ablation of the urethral diverticulum was attempted...
December 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29067201/an-imaging-investigation-of-in-situ-uroliths-in-hospitalized-cats-in-new-zealand-and-in-the-united-states
#10
Paul F Wightman, Kate E Hill, Eli B Cohen, Janis Bridges, Charlotte F Bolwell, John French, Brian A Adler, Ron Green
The submission rates of feline uroliths to laboratories and the composition of uroliths have been reported in studies. The prevalence of uroliths reported on imaging findings has not been published. The objective of this retrospective study was to use imaging data to investigate the anatomical location and the prevalence of macroscopic in situ uroliths in cats. Radiographs, sonograms and imaging reports from two cohorts of cats (from New Zealand ( n  = 497) and the United States ( n  = 693)) from 2004-2013 were reviewed for the presence of in situ uroliths...
November 2016: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/29031030/ectopic-bone-as-a-nidus-for-calcium-oxalate-urocystolithiasis-in-a-cat
#11
J P Lulich, H S Prasad, M Manno, B Bagley
A 7-year-old female spayed domestic shorthair cat was referred to the urology service for nonsurgical urocystolith removal. A urolith was attached to the urothelium by ectopic bone. Interventional removal without surgery was successful. Follow-up evaluation 3 years after urolith removal revealed recurrent uroliths, bladder wall mineralization, and marked renal mineralization. This case illustrates the metaplastic potential of the urothelium and that ectopic bone should be included among the pathological factors that promote lithogenesis...
November 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28945133/dual-energy-computed-tomography-of-canine-uroliths
#12
Stephanie G Nykamp
OBJECTIVE To determine whether dual-energy CT (DECT) could accurately differentiate the composition of common canine uroliths in a phantom model. SAMPLE 30 canine uroliths with pure compositions. PROCEDURES Each urolith was composed of ≥ 70% struvite (n = 10), urate (8), cystine (5), calcium oxalate (4), or brushite (3) as determined by standard laboratory methods performed at the Canadian Veterinary Urolith Centre. Uroliths were suspended in an agar phantom, and DECT was performed at low (80 kV) and high (140 kV) energies...
October 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28933510/-unusual-case-of-struvite-urolithiasis-in-a-dog-a-case-report-ein-fallbericht
#13
Julia K Mack, Ellen Kienzle
A dog was referred for nutrition consultation after surgical removal of struvite uroliths from the bladder. Inspection of the dog's current ration revealed a pronounced vitamin-A deficiency together with a marked deficiency of protein, phosphorus and magnesium. Therefore, a supersaturation of the urine with ammonium, magnesium and phosphate, the three constituents of struvite, as a cause of struvite calculi formation appears rather unlikely. Vitamin-A deficiency can promote urinary infections and consequently struvite stone formation because of the lack of the protective effect of vitamin A on the epithelia of the urinary tract...
September 20, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28920816/urolithiasis-in-free-ranging-and-captive-otters-lutra-lutra-and-aonyx-cinerea-in-europe
#14
Monika Bochmann, Stephan Steinlechner, Albrecht Hesse, Hans Henrik Dietz, Heike Weber
Between 1996 and 1998, 477 dead otters from different Central European countries were examined for urolithiasis, including 449 free-ranging Eurasian otters (Lutra lutra) as well as 17 Eurasian otters and 11 Asian small-clawed otters (Aonyx cinerea) from captivity. In the free-ranging specimens, uroliths (sand or stones) were found in 105 animals (23.4%), with no significant difference (P = 0.77) between the sexes. Uroliths were not present in any juveniles (n = 26) and urolithiasis was not considered the main cause of death in any individual...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28920798/urolithiasis-in-a-group-of-visayan-warty-pigs-sus-cebifrons-negrinus
#15
James Chatterton, Steve Unwin, Javier Lopez, Julian Chantrey
Four cases of obstructive urolithiasis occurred in male Visayan warty pigs (Sus cebifrons negrinus) during a 12-mo period. One animal died, two were euthanized, and one was treated successfully with a tube cystotomy procedure and a subsequent urinary acidification diet. Uroliths from two cases of urethral obstruction were analyzed and confirmed as calcium carbonate. A fifth nonobstructive case was suspected in an adult female in which calcium carbonate crystalluria was diagnosed, and that case was resolved with medical management...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28710955/epidemiologic-evaluation-of-canine-urolithiasis-in-thailand-from-2009-to-2015
#16
Vachira Hunprasit, Carl A Osborne, Pamela J Schreiner, Jeff B Bender, Jody P Lulich
The cross-sectional study described the epidemiology of 8560 canine urolith submissions from Thailand to the Minnesota Urolith Center between January 2009 and December 2015. The frequency of urolith types, the relationships between urolith type and breed, sex, and neutered status, and change of annual submission proportion over the study period were analyzed. Struvite was the most common canine urolith (44%), and was commonly found in intact females with a mean age of 6.3±3.1years. Calcium oxalate was the second most common (27%), more frequently found in intact males with a mean age of 8...
December 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28678386/association-between-cystine-urolithiasis-and-neuter-status-of-dogs-within-the-uk
#17
J Florey, V Ewen, H Syme
OBJECTIVES: The objectives of the study were to examine the association between diagnosis of cystine urolithiasis and entire versus neutered status in male dogs and whether the strength of association varies among breeds. MATERIALS AND METHODS: A previously reported canine urolithiasis database was used, documenting all urolith submissions to Hill's Pet Nutrition UK over a 10-year period. Uroliths were classified as cystine or non-cystine, and only male dogs with known neuter status were included in the analysis...
September 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28631911/-the-study-of-mineral-composition-and-structure-of-uroliths-in-the-residents-of-tomsk-district-tomsk
#18
O A Sevostyanova, V S Boshchenko, V K Osadchii, V P Parnachev, A K Polienko
AIM: To successfully treat and prevent urolithiasis, the composition and structure of uroliths should be examined using modern analytical techniques. For a long time, studies of the biomineral formation in the human body have been conducted exclusively in the field of medicine. The main attention has been paid to the diagnosis and treatment of diseases leading to the occurrence of pathogenic formations. At the same time, it is quite obvious that it is important to have a clear idea about the causes of pathogenic formations, the mechanisms for their further formation, composition and structure...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28585658/-cystinuria-caused-by-a-slc7a9-missense-mutation-in-siamese-crossbred-littermates-in-germany
#19
Stephanie Hilton, Keijiro Mizukami, Urs Giger
Cystinuria is caused by defective proximal renal tubular reabsorption of the amino acids cystine, ornithine, lysine, and arginine (COLA). The low solubility of cystine in mildly acidic urine may lead to the formation of urinary cystine crystals and uroliths. Much progress has been made recently in the diagnosis and understanding of cystinuria in companion animals. In cats, cystinuria affects equally both genders independent of neutering status and, despite being rare, already more cystinuria-causing mutations have been detected in cats compared to dogs...
August 11, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28556535/mineral-composition-of-uroliths-obtained-from-sheep-and-goats-with-obstructive-urolithiasis
#20
M L Jones, P M Gibbons, A J Roussel, B J Dominguez
BACKGROUND: Knowledge of the mineral composition of the causative urolith is important to develop preventative strategies. Advances in analytic techniques have led to detection of urolith components not previously recognized. HYPOTHESIS/OBJECTIVES: The objectives of this study were to characterize uroliths in sheep and goats structurally and clinically. We hypothesized that amorphous magnesium calcium phosphate (AMCP) would be a naturally occurring urolith type in sheep and goats...
July 2017: Journal of Veterinary Internal Medicine
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